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REGULATORY MATTERS (Tables)
12 Months Ended
Dec. 31, 2020
Regulated Operations [Abstract]  
Schedule of Regulatory Assets
We show the details of regulatory assets and liabilities in the following table and discuss them below.
REGULATORY ASSETS (LIABILITIES)
(Dollars in millions)
December 31,
 20202019
SDG&E:  
Fixed-price contracts and other derivatives$(53)$
Deferred income taxes recoverable (refundable) in rates22 (108)
Pension and other postretirement benefit plan obligations50 103 
Removal obligations(2,121)(2,056)
Environmental costs56 45 
Sunrise Powerlink fire mitigation121 121 
Regulatory balancing accounts(1)(2)
Commodity – electric72 102 
Gas transportation35 22 
Safety and reliability67 77 
Public purpose programs(158)(124)
2019 GRC retroactive impacts56 111 
Other balancing accounts233 106 
Other regulatory assets (liabilities), net(2)
72 (153)
Total SDG&E(1,548)(1,746)
SoCalGas:  
Deferred income taxes refundable in rates(82)(203)
Pension and other postretirement benefit plan obligations417 400 
Employee benefit costs37 44 
Removal obligations(685)(728)
Environmental costs36 40 
Regulatory balancing accounts(1)(2)
Commodity – gas, including transportation(56)(118)
Safety and reliability335 295 
Public purpose programs(253)(273)
2019 GRC retroactive impacts202 400 
Other balancing accounts(58)(7)
Other regulatory assets (liabilities), net(2)
75 (101)
Total SoCalGas(32)(251)
Sempra Mexico:
Deferred income taxes recoverable in rates80 83 
Other regulatory assets— 
Total Sempra Energy Consolidated$(1,500)$(1,908)
(1)    At December 31, 2020 and 2019, the noncurrent portion of regulatory balancing accounts – net undercollected for SDG&E was $139 million and $108 million, respectively, and for SoCalGas was $218 million and $500 million, respectively.
(2)    Includes regulatory assets earning a return.
Schedule of Regulatory Liabilities
We show the details of regulatory assets and liabilities in the following table and discuss them below.
REGULATORY ASSETS (LIABILITIES)
(Dollars in millions)
December 31,
 20202019
SDG&E:  
Fixed-price contracts and other derivatives$(53)$
Deferred income taxes recoverable (refundable) in rates22 (108)
Pension and other postretirement benefit plan obligations50 103 
Removal obligations(2,121)(2,056)
Environmental costs56 45 
Sunrise Powerlink fire mitigation121 121 
Regulatory balancing accounts(1)(2)
Commodity – electric72 102 
Gas transportation35 22 
Safety and reliability67 77 
Public purpose programs(158)(124)
2019 GRC retroactive impacts56 111 
Other balancing accounts233 106 
Other regulatory assets (liabilities), net(2)
72 (153)
Total SDG&E(1,548)(1,746)
SoCalGas:  
Deferred income taxes refundable in rates(82)(203)
Pension and other postretirement benefit plan obligations417 400 
Employee benefit costs37 44 
Removal obligations(685)(728)
Environmental costs36 40 
Regulatory balancing accounts(1)(2)
Commodity – gas, including transportation(56)(118)
Safety and reliability335 295 
Public purpose programs(253)(273)
2019 GRC retroactive impacts202 400 
Other balancing accounts(58)(7)
Other regulatory assets (liabilities), net(2)
75 (101)
Total SoCalGas(32)(251)
Sempra Mexico:
Deferred income taxes recoverable in rates80 83 
Other regulatory assets— 
Total Sempra Energy Consolidated$(1,500)$(1,908)
(1)    At December 31, 2020 and 2019, the noncurrent portion of regulatory balancing accounts – net undercollected for SDG&E was $139 million and $108 million, respectively, and for SoCalGas was $218 million and $500 million, respectively.
(2)    Includes regulatory assets earning a return.
Proposed Revenue Requirement
The following table summarizes the location of balances related to the Wildfire Fund on Sempra Energy’s and SDG&E’s Consolidated Balance Sheets and Consolidated Statements of Operations.
WILDFIRE FUND
(Dollars in millions)
December 31,
Location20202019
Wildfire Fund asset:
Current
Other Current Assets(1)
$29 $29 
NoncurrentWildfire Fund363 392 
Wildfire Fund obligation:
CurrentOther Current Liabilities$13 $13 
NoncurrentDeferred Credits and Other 75 86 
Years ended December 31,
20202019
Amortization of Wildfire Fund assetOperation and Maintenance$29 $12 
Accretion of Wildfire Fund obligationOperation and Maintenance
(1)    Included in Prepaid Expenses for SDG&E.
The increases include separately authorized components for O&M and capital-related costs, as follows:
AUTHORIZED REVENUE REQUIREMENT INCREASES FOR 2020 AND 2021
(Dollars in millions)
2020 increase from 20192021 increase from 2020
Revenue increasePercent increaseRevenue increasePercent increase
SDG&E:
O&M$20 2.64 %$19 2.47 %
Capital-related costs114 9.74 83 6.47 
Total increase$134 6.74 $102 4.83 
SoCalGas:
O&M$36 2.64 %$34 2.40 %
Capital-related costs184 14.36 116 7.93 
Total increase$220 7.92 $150 5.00 
In December 2019, the CPUC approved the cost of capital and rate structures (shown in the table below) for SDG&E and SoCalGas that became effective on January 1, 2020 and will remain in effect through December 31, 2022. SDG&E did not propose a 2020 cost of preferred equity in this proceeding. In January 2020, SDG&E filed an advice letter to continue the cost of preferred equity for test year 2020 at 6.22%, which the CPUC approved in March 2020.
CPUC AUTHORIZED COST OF CAPITAL AND RATE STRUCTURE
SDG&ESoCalGas
Authorized weightingReturn on
rate base
Weighted
return on
rate base
Authorized weightingReturn on
rate base
Weighted
return on
rate base
45.25 %4.59 %2.08 %Long-Term Debt45.60 %4.23 %1.93 %
2.75 6.22 0.17 Preferred Equity2.40 6.00 0.14 
52.00 10.20 5.30 Common Equity52.00 10.05 5.23 
100.00 %7.55 %100.00 %7.30 %